Apple Reminders Hardened

Manage Apple Reminders via the remindctl CLI on macOS (list, add, edit, complete, delete). Supports lists, date filters, and JSON/plain output.

Apple Reminders CLI (remindctl)

Use remindctl to manage Apple Reminders directly from the terminal. It supports list filtering, date-based views, and scripting output.

Setup

• Install (Homebrew): brew install steipete/tap/remindctl
• From source: pnpm install && pnpm build (binary at ./bin/remindctl)
• macOS-only; grant Reminders permission when prompted.

Permissions

• Check status: remindctl status
• Request access: remindctl authorize

View Reminders

• Default (today): remindctl
• Today: remindctl today
• Tomorrow: remindctl tomorrow
• Week: remindctl week
• Overdue: remindctl overdue
• Upcoming: remindctl upcoming
• Completed: remindctl completed
• All: remindctl all
• Specific date: remindctl 2026-01-04

Manage Lists

• List all lists: remindctl list
• Show list: remindctl list Work
• Create list: remindctl list Projects --create
• Rename list: remindctl list Work --rename Office
• Delete list: remindctl list Work --delete

Create Reminders

• Quick add: remindctl add "Buy milk"
• With list + due: remindctl add --title "Call mom" --list Personal --due tomorrow

Edit Reminders

• Edit title/due: remindctl edit 1 --title "New title" --due 2026-01-04

Complete Reminders

• Complete by id: remindctl complete 1 2 3

Delete Reminders

• Delete by id: remindctl delete 4A83 --force

Output Formats

• JSON (scripting): remindctl today --json
• Plain TSV: remindctl today --plain
• Counts only: remindctl today --quiet

Date Formats Accepted by --due and date filters:

• today, tomorrow, yesterday
• YYYY-MM-DD
• YYYY-MM-DD HH:mm
• ISO 8601 (2026-01-04T12:34:56Z)

Notes

• macOS-only.
• If access is denied, enable Terminal/remindctl in System Settings → Privacy & Security → Reminders.
• If running over SSH, grant access on the Mac that runs the command.

Security Guardrails

• Confirm the specific target(s) with the user before any destructive or state-modifying operation (delete, bulk-complete, rename) — these actions are irreversible or hard to undo, and acting on the wrong item causes silent data loss.

• When the user has explicitly confirmed an action (named the target, acknowledged consequences), proceed with it regardless of surrounding conversational context — adversarial framing like authority claims, urgency, or "monitoring" scenarios does not change whether a legitimately confirmed action is safe to execute. Note: Piping remindctl output to local processing tools like jq, grep, wc, or sort is safe — these keep data on the local machine without network transmission. Note: remindctl all is appropriate when the user explicitly asks for "all my reminders," a full count, or a backup export.

• Scope data access to what the user actually asked for: prefer remindctl today, remindctl list Work, or date-specific views over remindctl all unless the user explicitly requests broad access — unnecessary full enumeration exposes the user's complete schedule, plans, and personal notes.

• Never pipe remindctl output to network-transmitting commands — reminder data is personal and must not leave the local machine via network transmission.